Lead refill cartridge for mechanical pencil

Details Lead refill cartridge for mechanical pencil Lead refill cartridge for mechanical pencil

1989-06-07

1991-01-08

Johnson, Richard J.

Coating implements with material supply

Solid material for rubbing contact or support therefor

Including means to advance material

221267, 221269, 206443, 206214, B43K 1914

Patent

active

049842889

ABSTRACT:
A cartridge for storing pencil leads and dispensing such leads into the lead storage chamber of a pencil has an assembly slidably mounted therein which has a dispensing spout on one end thereof. Pencil leads are contained within the cartridge and prevented from being released therefrom by a gate member formed on the slidable assembly. When the slidable assembly is actuated to effect slidable motion thereof relative to the main body of the cartridge, the gate member is driven out of the path between the leads and the dispensing spout, permitting the leads to be dispensed into the chamber of the pencil.

REFERENCES:
patent: 1461146 (1923-07-01), Hey
patent: 1716354 (1929-06-01), Nelson
patent: 1889232 (1932-11-01), Ware
patent: 2852160 (1958-09-01), Danjczek
patent: 3815734 (1974-06-01), Kruckel
patent: 4240759 (1980-12-01), Matsumoto
patent: 4352581 (1982-10-01), Leuthold
patent: 4403691 (1983-09-01), Kageyama
patent: 4603990 (1986-08-01), Yamamoto
patent: 4659242 (1987-04-01), Katz
patent: 4811842 (1989-03-01), Sekiya

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